219990416

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{108263}}^1$

素因数の和:108398

約数の個数: 20

約数和(自身を含む): 429591552

約数和(自身を除く): 209601136

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 108263, 216526, 433052, 866104, 1732208, 13749401, 27498802, 54997604, 109995208, 219990416]

約数ペア:

[(1, 219990416), (2, 109995208), (4, 54997604), (8, 27498802), (16, 13749401), (127, 1732208), (254, 866104), (508, 433052), (1016, 216526), (2032, 108263)]